APA (7th ed.) Citation

Keur, C., & Hillegass, A. (2016). iOS programming : the Big Nerd Ranch guide: The Big Nerd Ranch guide (Sixth edition.). Big Nerd Ranch.

Chicago Style (17th ed.) Citation

Keur, Christian, and Aaron Hillegass. IOS Programming : The Big Nerd Ranch Guide: The Big Nerd Ranch Guide. Sixth edition. Atlanta, GA: Big Nerd Ranch, 2016.

MLA (9th ed.) Citation

Keur, Christian, and Aaron Hillegass. IOS Programming : The Big Nerd Ranch Guide: The Big Nerd Ranch Guide. Sixth edition. Big Nerd Ranch, 2016.

Warning: These citations may not always be 100% accurate.